CN103066832B - A kind of electric charge pump that can quickly start - Google Patents
A kind of electric charge pump that can quickly start Download PDFInfo
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- CN103066832B CN103066832B CN201210524380.XA CN201210524380A CN103066832B CN 103066832 B CN103066832 B CN 103066832B CN 201210524380 A CN201210524380 A CN 201210524380A CN 103066832 B CN103066832 B CN 103066832B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/06—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/213—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only in integrated circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/27—A biasing circuit node being switched in an amplifier circuit
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dc-Dc Converters (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
The invention discloses a kind of electric charge pump that can quickly start。After electric charge pump enables signal arrival, utilize very short a period of time, to the pump electricity electric capacity of electric charge pump, load capacitance charging, be referred to as precharge operation；During normal operation subsequently, pump electricity electric capacity, output capacitance become the annexation needed for electric charge pump normal operation by suitable switchgear distribution, to ensure that electric charge pump can normal operation。Due to the precharge operation to pump electricity electric capacity and output capacitance, shorten output capacitance current potential and reach the time needed for steady-state value。
Description
Technical field
The present invention relates to charge pump circuit, concrete, the present invention relates to a kind of electric charge pump that can quickly start。The invention still further relates to the semiconductor integrated circuit including this circuit, concrete, but be not uniquely radio-frequency antenna switch controller。Semiconductor device, or the another kind of device form that electronic installation relates to, wherein charge pump circuit such as can be integrated。
Background technology
Along with the reduction of integrated circuit dimensions, supply voltage is more and more lower, and the application of electric charge pump is more and more extensive, and such as power management integrated circuit, non-volatility memorizer, switched-capacitor circuit, operational amplifier, transformator, SRAM, LCD drives, and RF duplexer controls。One object lesson of charge pump circuit application is to be applied in radio-frequency antenna switch controller, and wherein, the effect of charge pump circuit is to produce one to compare less negative voltage source, in order to better to control the work of radio-frequency antenna switch。
It is well known that charge pump circuit can positive voltage electric charge pump can also be negative voltage charge pump。Electric charge pump can but be not necessary to repetitive occur, be connected with each other with cascade form between unit。Every one-level all includes a pump electric switch and a pump electricity electric capacity, the pump electric switch of every one-level and the junction point of pump electricity electric capacity are the output points of this grade, and the input point that the other end of this pump electric switch is electric charge pump at the corresponding levels, the non-pump electric switch link of pump electricity electric capacity is referred to as to control end。During charge pump stage connection, output point at the corresponding levels is all connected with the input point of secondary one-step charge pump, and input point is all connected with the output point of previous stage electric charge pump；And the end that controls of the pump electricity electric capacity of adjacent electric charge pump at different levels is alternately connected in two anti-phase or non-overlapped clock control lines, this clock control line control switch operates, and on-off control is along the pumping action of the so-called electric charge of these grades。
For negative voltage electric charge, the specific works process of electric charge pump is as follows, first half cycle a clock cycle, pump electric switch conducting (there is Low ESR) at the corresponding levels, the pump electric switch of time one-level turns off (having high impedance) simultaneously, pump electricity Capacity control end is placed in high level by clock control line, and the clock control end of previous stage pump electricity electric capacity is placed in low level, so the displacement current having positive charge to be formed is flowed to previous stage pump electricity electric capacity from pump electricity electric capacity at the corresponding levels, this completes once the storage of electric charge on electric capacity at the corresponding levels；The later half cycle in this clock cycle, pump electric switch at the corresponding levels turns off, pump electricity Capacity control end at the corresponding levels is placed in low level, the outfan current potential of pump electricity electric capacity at the corresponding levels will be depressed, the pump electric switch conducting of time one-level simultaneously, the clock end of secondary one-level electric capacity is placed in high potential, and the current potential of secondary primary pump electricity electric capacity outfan will be driven high, and so from secondary primary pump electricity electric capacity, the displacement current having positive charge to be formed is flowed to pump electricity electric capacity at the corresponding levels。This completes the pumping action of electric charge in the cycle。If multi stage charge pump is sequentially connected in series, electric charge by by the pump electricity electric capacity of pump successively to previous stage, the output of afterbody electric charge pump, it will reach potential minimum。More level produces less output voltage。
For the circuit producing negative voltage containing one-step charge pump, as it is shown in figure 1, pump electricity electric capacity C5, switching S16_ck1, switch S18_ck2 is connected to node N10；Electric capacity C5, switchs S17_ck2, and switch S15_ck1 is connected to node N9；Power vd C3 positive pole and switch S18_ck2, be connected to node NVDD3；Electric capacity C6 is connected to, with switch S15_ck1, the output node that node N11, N11 are external load；The negative pole of power vd C3, switchs S16_ck1, and switch S17_ck2, load capacitance C6 are connected to node NGND3。During circuit work, switching S16_ck1, switch S15_ck1 is controlled by same clock ck1；Switch S17_ck2, switch S18_ck2 is controlled by the clock ck2 anti-phase with clock ck1。Here anti-phase clock signal, it is not necessary to completely anti-phase, in practice, in order to prevent the electric leakage in switch handoff procedure, clock signal should be non-overlapped。In order to make the voltage of electric capacity C6 be charged to required voltage faster, it is possible to increase clock frequency or increase the size of electric capacity C5。
It is true that the output of electric charge pump needs multiple cycles, can be only achieved required voltage, output voltage is before reaching steady state voltage, and the voltage increment of corresponding adjacent clock will taper into。It practice, the moment that output voltage is after circuit start will rising quickly, then relatively slow steady-state value of climbing。This is because being gradually increasing along with output voltage, in each clock cycle, the electric charge of pumping can gradually decrease。If requiring that output voltage is raised to steady-state value faster, if not taking special measure, it is necessary to improve clock frequency, or make pump electricity electric capacity take bigger value relative to output capacitance。If raising clock frequency, then it is likely to introduce bigger noise；Under the premise ensureing the less ripple of output voltage, in general output capacitance can take bigger value, if pump electricity electric capacity takes bigger value relative to output capacitance, the area that electric capacity takies will increase。
In sum, existing technology, by improving clock frequency, increases pump electricity electric capacity, accelerates the start-up course of electric charge pump, but can introduce bigger switching noise, or increases chip area。
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of electric charge pump that can quickly start。Ensureing relatively low clock frequency, and under the premise of smaller capacitive area, making the output voltage of electric charge pump be rapidly achieved steady state voltage for one-step charge pump, the time needed in theory can less than a charging pulse time width。
The technical solution used in the present invention is: after electric charge pump enables signal arrival, utilize very short a period of time, charges to load capacitance and (or) pump electricity electric capacity, and this is pre-charging stage；During normal operation after pre-charging stage, the charge path being pre-charged to load capacitance in pre-charging stage is in open-circuit condition, and the state of each switch carries out configuring to ensure electric charge pump normal operation with the state needed for conventional charge pump normal operation。
Fig. 2 gives the circuit diagram of a kind of electric charge pump that can quickly start disclosed by the invention, and circuit at least includes two parts electric charge pump (1), output stage (2)。Electric charge pump (1) can be that positive voltage electric charge pump can also negative voltage charge pump。
Wherein electric charge pump (1) can occur with repetitive, is connected with each other with cascade form between unit。Electric charge pump (1) includes the pump electric switch (Schg_n) and pump electricity electric capacity (Cp_n) that are connected in series by node (Nc_n)；When charge pump stage joins, noncapacitive Cp_n link (Ns_n) of pump electric switch (Schg_n) at the corresponding levels connects the node (Nc_n-1) of previous stage electric charge pump；Electric capacity Cp_n link (Nc_n) of pump electric switch (Schg_n) at the corresponding levels connects the node (Ns_n-1) of rear stage unit；In positive voltage electric charge pump, the Ns_n end of first order electric charge pump (n=1) connects the high voltage end of voltage source；In negative voltage charge pump, the Ns_n end of first order electric charge pump connects the low-voltage end of direct voltage source。
Load and the output stage (2) of electric charge pump (1) include output switch Sout, for the switch Spre being pre-charged, switch Spreb, load capacitance CL, the current source IL of simulation output loading；Wherein Sout, CL, Spre are sequentially connected in series；Spre noncapacitive CL link is connected with the low-voltage end of direct voltage source；The noncapacitive CL link of Sout is connected with the Nc_n of the afterbody of electric charge pump；Switch Spreb one end is connected with the common point of switch Spre and CL, and the other end is connected with the high voltage end of direct voltage source；The common point of current source IL and Sout, the CL of simulation output loading is connected, and the other end of this current source is then connected with the low-voltage end of direct voltage source。
(being referred to as pre-charging stage) in short time after electric charge pump startup, Spre, Spreb is configured that in positive voltage electric charge pump, and Spre turns on (having Low ESR), and Spreb disconnects (having high impedance)；And in negative voltage charge pump, Spre disconnects (having high impedance), Spreb turns on (having Low ESR)；In the normal work stage of electric charge pump subsequently, then the on off state contrary with its pre-charging stage of respectively asking for。
After circuit pre-charging stage, the pump electric switch link non-at the corresponding levels of the pump electricity electric capacity Cp_n in electric charge pump (1) is controlled by control line (3), and the control signal of access isAnd when the mutual cascade of multi stage charge pump, the control signal of adjacent levelInverting each other or non-overlapped。
It addition, at pre-charging stage, the switch Schg_n of each charge pump stage and the Sout of output stage, or can all be configured to conducting state。In positive voltage electric charge pump, switch Spreb maybe can be constantly in disconnection off status, or switch Spreb is not present in circuit, and corresponding, switch Spre is constantly in conducting state, or is replaced by wire。
The specific works process of circuit is as follows, electric charge pump enable signal arrive after, utilize short time, to load capacitance or (with) pump electricity electric capacity charging, this is pre-charging stage；During normal operation after pre-charging stage, being in open-circuit condition in pre-charging stage to the charge path that load capacitance is pre-charged, load capacitance is by switching the configuration being switched to required for normal operation, to ensure electric charge pump normal operation。In normal working hours after precharging, with negative voltage charge pump example, the specific works process of electric charge pump is as follows: at the first half cycle of a clock cycle, pump electric switch conducting (there is Low ESR) at the corresponding levels, the pump electric switch of time one-level turns off (having high impedance) simultaneously, pump electricity Capacity control end is placed in high level by clock control line, and the clock control end of previous stage pump electricity electric capacity is placed in low level, so the displacement current having positive charge to be formed is flowed to previous stage pump electricity electric capacity from pump electricity electric capacity at the corresponding levels, this completes once the storage of electric charge on electric capacity at the corresponding levels；The later half cycle in this clock cycle, pump electric switch at the corresponding levels turns off, pump electricity Capacity control end at the corresponding levels is placed in low level, the outfan current potential of pump electricity electric capacity at the corresponding levels will be depressed, the pump electric switch conducting of time one-level simultaneously, the clock end of secondary one-level electric capacity is placed in high potential, and the current potential of secondary primary pump electricity electric capacity outfan will be driven high, and so from secondary primary pump electricity electric capacity, the displacement current having positive charge to be formed is flowed to pump electricity electric capacity at the corresponding levels。This completes the pumping action of electric charge in the cycle。If multi stage charge pump is sequentially connected in series, electric charge by by the pump electricity electric capacity of pump successively to previous stage, the output of afterbody electric charge pump, it will reach potential minimum。More level produces less output voltage。
Due to precharge operation, within a clock operation time, disposable to load capacitance and (or) pump electricity electric capacity, it is filled with so as to magnitude of voltage is the electric charge needed for a direct voltage source voltage, and when there is no precharge operation, clock operation each time, is filled with so as to magnitude of voltage is the electric charge needed for a direct voltage source voltage at most first order pump electricity。Under contrast, precharge operation, substantially reduce load capacitance and reach the time needed for steady-state value, and when charge pump stage number is more little, the effect of start quickly is more obvious。Ideal situation, when only one-step charge pump, it is only necessary to the time needed for a clock operation one, according to the actual needs, it is possible to will be set to precharge time more shorter than a clock cycle, so that it may make output reach steady state voltage。
The beneficial outcomes of the present invention is: ensureing relatively low clock frequency, and under the premise of smaller capacitive area, time that steady state voltage needs in theory can less than a charging pulse time width to make the output voltage of electric charge pump be rapidly achieved。
Fig. 5 illustrates the embodiment applying the electric charge pump that can quickly start disclosed by the invention, device (44) can be but not have to be radio-frequency power amplifier and control device, device (44) is internal to be contained but not necessary containing radio-frequency antenna switch controller (42), the embodiment that the present invention announces is contained in circuit (41), and circuit (41) and radio-frequency antenna switch controller (42) can be but be not necessary to be arranged in common substrate (43)。
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention will be further described in detail:
Fig. 1 be common produce negative voltage containing only the schematic diagram having one-step charge pump；
Fig. 2 is the circuit diagram of a kind of electric charge pump that can quickly start disclosed by the invention；
Fig. 3 is an embodiment of the negative voltage charge pump that can quickly start disclosed by the invention；
Fig. 4 is an embodiment of the positive voltage electric charge pump that can quickly start disclosed by the invention；
Fig. 5 is the example that the present invention applies at radio-frequency antenna switch controller。
Detailed description of the invention
Fig. 3 illustrates an embodiment of quick startup negative voltage charge pump disclosed by the invention, pump electricity electric capacity C3, switchs S8_ck1, and switch S10_ck2 is connected to node N5；Pump electricity electric capacity C3, switchs S11_ck2, and switch S9_ck1 is connected to node N6；Power vd C2 positive pole and switch S9_ck1, switch S12_ck_pre is connected to node NVDD2；Electric capacity C4 and switch S12_ck_pre, switch S14_ck_preb is connected to node N7；It is the output node of external load that electric capacity C4 is connected to node N8_out, node N8_out with switch S10_ck2；The negative pole of power vd C2, switchs S11_ck2, switchs S8_ck1, and switch S14_ck_preb is connected to node NGND2。After circuit precharge during normal operation, switching S8_ck1, switch S9_ck1 is controlled by same clock ck1；Switch S11_ck2, S10_ck2 are controlled by the clock ck2 anti-phase with clock ck1；Switch S8_ck1, switch S10_ck2, switch S12_ck_pre and (or) switch S9_ck1, it it is conducting in first clock arteries and veins after circuit enables signal, within the corresponding time, other switch is then off, for being pre-charged to output capacitance and (or) pump electricity electric capacity, it is being pre-charged normal work stage subsequently, switch the state needed for being then configured to ensure that electric charge pump normal operation: switch S12_ck_pre remains open, switch S14_ck_preb is held on, and other switch then carries out switching manipulation with the sequential needed for conventional charge pump。Here the anti-phase clock signal used is related to, it is not necessary to completely anti-phase, in practice, in order to prevent the electric leakage in switch handoff procedure, it is preferred that in situation, clock signal should be non-overlapped。
Fig. 4 illustrates an embodiment of the positive voltage electric charge pump that can quickly start disclosed by the invention, pump electricity electric capacity C1, switchs S1_ck1, and switch S4_ck2 is connected to node N1；Pump electricity electric capacity C1, switch S3_ck2, S2_ck1 are connected to node N2；Power vd C1 positive pole and switch S4_ck2, switch S2_ck1, and switch S7_ck_preb is connected to node NVDD1；It is the output node of external load that electric capacity C2 is connected to node N3_out, node N3_out with switch S3_ck2；Electric capacity C2 and switch S7_ck_preb, switch S6_ck_pre is connected to node N4；The negative pole of power vd C1, switchs S1_ck1, and switch S6_ck_pre is connected to node NGND1。During circuit work, switching S2_ck1, switch S1_ck1 is controlled by same clock ck1；Switch S4_ck2, switch S3_ck2 is controlled by the clock ck2 anti-phase with clock ck1；Switch S6_ck_pre, S3_ck2, it is conducting in S2_ck1 and (or) the switch S1_ck1 first clock arteries and veins after circuit enables signal, within the corresponding time, other switch is then off, for being pre-charged to output capacitance and (or) pump electricity electric capacity, it is being pre-charged normal work stage subsequently, switch the state needed for being then configured to ensure that electric charge pump normal operation: switch S6ck_pre remains open, switch S7ck_preb is held on, and other switch then carries out switching manipulation with the sequential needed for conventional charge pump。Here the anti-phase clock signal used is related to, it is not necessary to completely anti-phase, in practice, in order to prevent the electric leakage in switch handoff procedure, it is preferred that in situation, clock signal should be non-overlapped。
Claims (14)
1. the circuit of the electric charge pump that a kind can quickly start, it is characterised in that at least include:
Electric charge pump (1), including the pump electric switch Schg_n being connected in series by node Nc_n, pump electricity electric capacity Cp_n；Charge pump stage joins, and the noncapacitive Cp_n link Ns_n of pump electric switch Schg_n at the corresponding levels meets the node Nc_n-1 of previous stage electric charge pump；The electric capacity Cp_n link Nc_n of pump electric switch Schg_n at the corresponding levels meets the node Ns_n+1 of rear stage electric charge pump；
Output stage (2), including output switch Sout, for the switch Spre being pre-charged, switchs Spreb, load capacitance CL, the current source IL of simulation output loading；Wherein Sout, CL, Spre are sequentially connected in series；Spre noncapacitive CL link is connected with direct voltage source；The noncapacitive CL link of Sout is connected with the electric capacity Cp_n+1 link Nc_n+1 of the pump electric switch Schg_n+1 of the afterbody of electric charge pump；Switch Spreb one end is connected with the common point of switch Spre and CL, and the other end is connected with direct voltage source；The common point of current source IL and Sout, the CL of simulation output loading is connected, and one end of this current source IL is then connected with direct voltage source。
2. circuit as described in claim 1, it is characterised in that wherein electric charge pump (1) is malleation electric charge pump or negative pressure electric charge pump。
3. circuit as described in claim 1, it is characterised in that wherein electric charge pump (1) occurs with repetitive, is connected with each other with cascade form between unit。
4. circuit as described in claim 1, it is characterised in that output voltage is cushioned by output stage (2), reduces the voltage ripple on the current source IL of simulation output loading。
5. circuit as claimed in claim 1, it is characterized in that, when electric charge pump is malleation electric charge pump, the Ns_n end of first order electric charge pump (n=1) connects the high voltage end of voltage source, when electric charge pump is negative pressure electric charge pump, the Ns_n end of first order electric charge pump connects the low-voltage end of direct voltage source。
6. circuit as claimed in claim 3, it is characterized in that, when electric charge pump is malleation electric charge pump, the Ns_n end of first order electric charge pump (n=1) connects the high voltage end of voltage source, when electric charge pump is negative pressure electric charge pump, the Ns_n end of first order electric charge pump connects the low-voltage end of direct voltage source。
7. circuit as claimed in claim 4, it is characterized in that, when electric charge pump is malleation electric charge pump, the Ns_n end of first order electric charge pump (n=1) connects the high voltage end of voltage source, when electric charge pump is negative pressure electric charge pump, the Ns_n end of first order electric charge pump connects the low-voltage end of direct voltage source。
8. circuit as described in claim 1, it is characterised in that the load (2) of electric charge pump, during precharge operation, namely in the short time after electric charge pump startup, when electric charge pump is malleation electric charge pump, Spre turns on, and Spreb disconnects, and Sout turns on, the pump electric switch Schg_n conducting of electric charge pumps (1) at different levels, after precharge operation completes, Spre disconnects, and Spreb turns on, Sout, Schg_n take the state needed for normal operation；When electric charge pump is negative pressure electric charge pump, Spre turns on, and Spreb disconnects, and Sout turns on, the pump electric switch Schg_n conducting of electric charge pumps (1) at different levels；After precharge operation completes, Spre disconnects, and Spreb turns on, and Sout, Schg_n takes the state needed for normal operation。
9. circuit as described in claim 1, it is characterized in that, during normal operation after precharge operation completes, the pump electric switch Schg_n link non-at the corresponding levels of the pump electricity electric capacity Cp_n in electric charge pump (1) is controlled by control line (3), and the control signal of access isByControl the on off operating mode of Schg_n at the corresponding levels, and the on off operating mode of the Sout in output stage (2) with and the Schg_n+1 of the connected electric charge pump (1) of output stage (2) contrary；And when the mutual cascade of multi stage charge pump, the control signal of adjacent levelInverting each other。
10. the circuit as described in as arbitrary in claim 1 to 9, it is characterised in that the electronic device adopted by following technique one of realize: CMOS, SOI, BiCMOS。
11. an electronic installation (44), it is characterised in that include the circuit (41) that in claim 1 to 9, any one is described。
12. device as described in claim 11, it is characterised in that device (44) is that radio-frequency power amplifier controls device。
13. device as described in claim 12, it is characterised in that device (44) is internal containing radio-frequency antenna switch controller (42)。
14. device as described in claim 13, it is characterised in that wherein, this circuit (41) and radio-frequency antenna switch controller (42) are arranged in common substrate (43)。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524380.XA CN103066832B (en) | 2012-12-07 | 2012-12-07 | A kind of electric charge pump that can quickly start |
| EP13861304.7A EP2930832A4 (en) | 2012-12-07 | 2013-05-16 | Charge pump capable of being quickly started |
| PCT/CN2013/075713 WO2014086134A1 (en) | 2012-12-07 | 2013-05-16 | Charge pump capable of being quickly started |
| US14/732,581 US9438104B2 (en) | 2012-12-07 | 2015-06-05 | Fast startup charge pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210524380.XA CN103066832B (en) | 2012-12-07 | 2012-12-07 | A kind of electric charge pump that can quickly start |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103066832A CN103066832A (en) | 2013-04-24 |
| CN103066832B true CN103066832B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210524380.XA Active CN103066832B (en) | 2012-12-07 | 2012-12-07 | A kind of electric charge pump that can quickly start |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9438104B2 (en) |
| EP (1) | EP2930832A4 (en) |
| CN (1) | CN103066832B (en) |
| WO (1) | WO2014086134A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066832B (en) * | 2012-12-07 | 2016-06-22 | 广州慧智微电子有限公司 | A kind of electric charge pump that can quickly start |
| CN105915031B (en) * | 2016-04-15 | 2018-10-30 | 北京集创北方科技股份有限公司 | Circuit control method and device |
| US9634562B1 (en) * | 2016-06-09 | 2017-04-25 | Stmicroelectronics International N.V. | Voltage doubling circuit and charge pump applications for the voltage doubling circuit |
| CN107666143B (en) * | 2016-07-27 | 2019-03-22 | 帝奥微电子有限公司 | Negative pressure charge pump circuit |
| US10097086B2 (en) | 2016-10-12 | 2018-10-09 | Cypress Semiconductor Corporation | Fast ramp low supply charge pump circuits |
| US10027223B1 (en) * | 2017-06-12 | 2018-07-17 | Linear Technology Holding Llc | Soft-charging of switched capacitors in power converter circuits |
| US20190020273A1 (en) * | 2017-07-17 | 2019-01-17 | Nanya Technology Corporation | Voltage system and method for operating the same |
| US10333397B2 (en) | 2017-07-18 | 2019-06-25 | Stmicroelectronics International N.V. | Multi-stage charge pump circuit operating to simultaneously generate both a positive voltage and a negative voltage |
| US10181804B1 (en) | 2017-08-11 | 2019-01-15 | Linear Technology Holding Llc | Soft-start circuit for switched resonant power converters |
| US10050524B1 (en) | 2017-11-01 | 2018-08-14 | Stmicroelectronics International N.V. | Circuit for level shifting a clock signal using a voltage multiplier |
| KR102578558B1 (en) * | 2019-03-07 | 2023-09-13 | 삼성전기주식회사 | Negative voltage circuit based on dual charge pump |
| CN110504831A (en) * | 2019-09-04 | 2019-11-26 | 长江存储科技有限责任公司 | A kind of charge pump and its charging/discharging thereof and storage equipment |
| CN113715690B (en) * | 2021-08-31 | 2023-12-01 | 经纬恒润(天津)研究开发有限公司 | Power supply system and control method thereof |
| CN114257084B (en) * | 2021-12-24 | 2023-07-18 | 恒烁半导体(合肥)股份有限公司 | Charge pump circuit with quick start function and application thereof |
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| CN102055317A (en) * | 2009-11-04 | 2011-05-11 | 上海宏力半导体制造有限公司 | Charge pump device and voltage stabilizing method thereof |
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- 2012-12-07 CN CN201210524380.XA patent/CN103066832B/en active Active
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2013
- 2013-05-16 WO PCT/CN2013/075713 patent/WO2014086134A1/en active Application Filing
- 2013-05-16 EP EP13861304.7A patent/EP2930832A4/en not_active Ceased
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2015
- 2015-06-05 US US14/732,581 patent/US9438104B2/en active Active
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| US7847621B2 (en) * | 2007-11-13 | 2010-12-07 | Rohm Co., Ltd. | Control circuit and control method for charge pump circuit |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2930832A4 (en) | 2017-02-22 |
| US20150270775A1 (en) | 2015-09-24 |
| US9438104B2 (en) | 2016-09-06 |
| CN103066832A (en) | 2013-04-24 |
| WO2014086134A1 (en) | 2014-06-12 |
| EP2930832A1 (en) | 2015-10-14 |
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Address after: 510663 8th floor, building C2, Chuangxin building, No. 182, Kexue Avenue, Huangpu District, Guangzhou, Guangdong Patentee after: Guangzhou Huizhi Microelectronics Co.,Ltd. Address before: 510663 unit c2-307, innovation building, No. 182, science Avenue, Science City, high tech Industrial Development Zone, Guangzhou, Guangdong Province Patentee before: SMARTER MICROELECTRONICS (GUANG ZHOU) Co.,Ltd. |